Rational Equations help!
2 answers:
Answer:
D
Step-by-step explanation:
To find the length of board subtract the piece cut from the length of board
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Before subtracting the fractions we require them to have a common denominator.
Multiply the numerator/denominator of the first fraction by (x + 2)
Multiply the numerator/denominator of the second fraction by (x - 2)
= -
Distribute the numerators leaving the denominator
=
=
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Answer:
Step-by-step explanation:
<u>Step 1</u>:-
Suppose that E and F are two events and that P(E n F) = 0.3
also given P(E) =0.5
<u>Conditional probability</u>:-
if E₁ and E₂ are two events in a Sample S and P(E₁)≠ 0, then the probability of E₂ , after the event E₁ has occurred, is called the <u>Conditional probability</u>
of the event E₂ given E₁ and is denoted by